How often should I change my Zero Water filter to ensure optimal performance? Is there a definitive guideline, or does it vary based on individual usage and water quality? Could frequent changes be necessary if my water supply contains higher levels of contaminants, such as lead or chlorine? Conversely, would a less polluted water source extend the lifespan of the filter beyond average expectations? Additionally, do factors like the frequency of water consumption, the presence of sediments, and the overall condition of the filter itself play crucial roles in determining the appropriate change interval? In what situations might one notice a decline in the filter’s efficacy, prompting an earlier-than-expected replacement? Furthermore, how do I accurately assess the performance of my Zero Water filter? Should I rely solely on the indicator, or are there other pragmatic methods to ascertain the filter’s condition? These considerations raise essential questions about the maintenance of my water filtration system.